The RS-232 Solution -- how to use your serial port; For PC and Macintosh with practical examples.
Sybex 1984, second edition 1989; 196 pages, diagrams and photographs, index; list of other books from sybex etc. at rear.
Sybex 1984, second edition 1989; 196 pages, diagrams and photographs, index; list of other books from sybex etc. at rear.
Prelude Press, Ballantine Books NY 1983, stated first edition; 221 pages, illustrations, some photographs.
Prelude Press, CA, 1983 stated first edition; 287 pages, Illustrations, photographs.